i have a 1997 F150 XLT, i put a 3 inch body lift on it, and i was wondering what the tallest tire i could put on it was, and what it would be if i modified the fenders.thanks, kyle

 

If it's a 4x4, you could fit a 315/75-16 (35x12.50) on a 16x10 inch rim if you also crank up the torsion bars a little and/or trim a little plastic off the front bumper's lower plastic valance. If it's a 4x2, you caould fit a 33x12/50-16 on a 16x10 inch rim. RRa3

 

The torsion bars only crank up the front right, theres enough room on the back for the 35's, and they wont rub when i put them on

 

Right. You don't need to do anything to the rear.